A. Many people often call any small, painless lump under the skin  sebaceous cysts .. But those are most often epidermoid cysts.. Sebaceous cysts are much less common and affect the sebaceous glands, the oil glands in the skin.Epidermoid cysts can be made up of a protein called keratin and fat.They usually appear on the face, neck, or upper body, especially the chest and shoulders.ebaceous cysts are much less common and affect the sebaceous glands, the oil glands in the skin. Epidermoid cysts can be made up of a protein called keratin and fat. They usually appear on the face, neck, or upper body, especially the chest and shoulders.
illegal immigrant noun [C]. âº someone who âlives or âworks in another âcountry when they do not have the âlegal âright to do this. (Definition of illegal immigrant from the Cambridge Advanced Learners Dictionary & Thesaurus Â© Cambridge University Press). See all translations.
By Jeffrey S. Passel and DâVera Cohn. The U.S. unauthorized immigrant population â 11.1 million in 2014 â has stabilized since the end of the Great Recession, as the number from Mexico declined but the total from other regions of the world increased, according to new Pew Research Center estimates based on government data.